Exhaust system on Laundary of hospital
hi Dear frens.. i nee to design the Exhaust system on laundry of hospital.so i need design procedures and norms of laundry. and thanks in advance..
View ArticleHow to find out The velocity on different areas
would anybody provide me the velocity while designing the duct on hospitals, hotels, residential building, toilet exhaust and etc.i have heard that we used different velocity on these sector.so i need...
View Articlequestion for a Mitsubishi split system PLEASE
I installed a Mitsubishi dual zone MXZ-3B30NA R-410A unit (variable speed inverter) last fall for two separate zones, my garage and a second floor office. Today the unit would not run. Both inside fans...
View ArticleRefrigerant System leak Sealant usage??
Would like advice and comments on the use and success of System leak sealants. We have a heat pump system operating on 410a; it has now been operating over 5 years successfully. There seems to have...
View ArticleDouble flare die
Anyone know if you can get a double flare die for yellow jacket flare tools, for making brake pipes, better known as OP 1 to the petrol heads Dev
View ArticleHello There!
I'm Croppie, I'll be perfectly honest with you guys, I'm not an RE, I'm a heating engineer. I've joined this illustrious forum because I'm a moderator on another forum (UK Plumbers Forums) and we quite...
View ArticleRef/Freezer Container cal
Hey folls, I am new. I have a 20' con. suitable forref/freezer. Outer Dims:8' W x 20' D x 8' H. Walls: 5" coated Polyurethane. inside lining AISI 316 Cr-Ni. All cooling equipment has been taken out. I...
View ArticleVolvo FH12 2008
Hi there jus wondering if anyone has had electrical issues with the cab air con on Volvo trucks had 2 this last week where no power was going to the compressor gas level is fine & pressure switch...
View ArticleTk slx 200
Hi all ..... have fault of evap sensor showing on the controller .... have ordered and received the ungraded sensor kit but search as I may I cannot find any info on the location of the sensor within...
View ArticleHITACHI E-cooling ( Low ambient cooling )
Could you help me and share with me your experience about cooling mode at low ambient temperature ( up to -15 °C - Cold region ) for Utopia ES & Utopia IVX ( IVX Premium / IVX Comfort ) . Could you...
View ArticleContainerized Cooling systems
Hi, Can anybody has an idea for CONTAINERIZED COOLING SYSTEMS? Thanks
View ArticleSuction / Discharge Pressures On RC
Hi Guys , I'm new to this game . I went out to service a split Ducted system Fujitsu Inverter AOT45LJBYL . After thoroughly cleaning the coils, filters etc I stuck my gauges on the unit . Standing...
View ArticleMitsubishi Heavy Industries - Date of manufacture
Is there a way of gaining an approximate system age from MHI Condensing/outdoor unit serial numbers.
View ArticleDisplay on control nothing running
Hi guy been called out to a Fujitsu system today I've got a ARY45TLAMA indoor and a a AOY90TPA3L outdoor . Control seem lock nothing would happen powered down still the same swapped control had mode...
View ArticleUltra Low temp too slow....
Hi, I have recently been thrown into the cascade arena, and I am learning quickly. I have a problem with a Espec Thermal Shock Chamber. The unit pulls down to -75, but takes a little to long, about an...
View ArticleNew Guy
I am relatively new at my current position of refrigeration engineer. This is a food plant using ammonia as a refrigerant. I have a couple of basics questions. First, I was curious to know how to...
View ArticleSamsung AQV09EW procedura di reset
Saluti,al mio domicilio è una ecatombe ,tre su quattro dei Samsung mi danno errore E101 errore di comunicazione dell'unità esterna. Vorrei conoscere la procedura per effettuare il reset nel tentativo...
View Articlesystem cooling capacity
hello all hope can get some advice 1.From freon system the total unit of evap expansion device, can determind the cooling capacity for a coldstorage at -25 deg C. ??? 2. example for ammonia coldstorage...
View ArticleSpecific heat for rapeseed oil
Anyone got an idea what it is? Need to chill form ambient to 8C for a project i'm working on. Cheers MS
View ArticleStrange neutral voltage
Hi all, Been working on a mitsubishi heavy industries unit today with a e32 fault. The site has a step down transformer so I'm getting around 204v on phases to earth(three phase unit). However, I'm...
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